Dyfyniad APA

Goodstein, P. K., & Verdick, E. (2012). Bystander power: Now with anti-bullying action. Free Spirit Pub..

Dyfyniad Arddull Chicago

Goodstein, Phyllis Kaufman, and Elizabeth Verdick. Bystander Power: Now with Anti-bullying Action. Minneapolis, MN: Free Spirit Pub., 2012.

Dyfyniad MLA

Goodstein, Phyllis Kaufman, and Elizabeth Verdick. Bystander Power: Now with Anti-bullying Action. Free Spirit Pub., 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.